Pipe clamp



FIG. 1 is a top, front, left isometric view of an ornamental design for a pipe clamp in a first position;

FIG. 2 is a top, front, left isometric view of the pipe clamp of FIG. 1 in a second, alternate position;

FIG. 3 is a front elevational view of the pipe clamp of FIG. 1 in the first position;

FIG. 4 is a rear elevational view of the pipe clamp of FIG. 1 in the first position;

FIG. 5 is a left side elevational view of the pipe clamp of FIG. 1 in the first position;

FIG. 6 is a right side view of the pipe clamp of FIG. 1 in the first position;

FIG. 7 is a top plan view of the pipe clamp of FIG. 1 in the first position; and,

FIG. 8 is a bottom plan view of the pipe clamp of FIG. 1 in the first position.

The broken lines in the drawings depict portions of the pipe clamp that form no part of the claimed design. The dot-dash lines illustrate boundaries of the claim and form no part of the claimed design. 

CLAIM The ornamental design for a pipe clamp, as shown and described. 